Home / 134,025.86-184,958.90-72,774.65

Finding the Fourth Proportional to 134,025.86, 184,958.90 and 72,774.65

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Solution

The fourth proportional to 134,025.86, 184,958.90 and 72,774.65 is: 100,430.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,025.86 : 184,958.90 = 72,774.65 : x
  2. Step 2: Convert to fraction form
    134,025.86/184,958.90 = 72,774.65/x
  3. Step 3: Cross multiply
    134,025.86x = 184,958.90 × 72,774.65
  4. Step 4: Simplify right side
    134,025.86x = 13,460,319,211.89
  5. Step 5: Solve for x
    x = 13,460,319,211.89/134,025.86
  6. Step 6: Final answer
    x = 100,430.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.